实例 JTree（右键菜单，可拖拽）+Jtable（可翻页，列中含有按钮，隐藏列）
jopen
11年前
首先来看一下展示界面，JTree的特点有：节点可拖拽，根据输入生成目录，右键有菜单，点击触发事件等
JTable的特点有：含有隐藏列，可以进行翻页，列中含有下载按钮等
在来看一下代码吧，基本代码由Eclipse上的WindowBuilder进行拖拽式产生的，所以看起来有点乱，不过没事
在使用WindoerBuilder的时候要画JTree和JTable，这两个有几个共同点，必须放到JScrollPanel中，因为这两个控件的内容会可能有很多。
package test; import java.awt.BorderLayout; import java.awt.Component; import java.awt.EventQueue; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.Insets; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.util.List; import javax.swing.AbstractAction; import javax.swing.DefaultCellEditor; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JPopupMenu; import javax.swing.JScrollPane; import javax.swing.JTabbedPane; import javax.swing.JTable; import javax.swing.JTextField; import javax.swing.JTree; import javax.swing.border.EmptyBorder; import javax.swing.table.AbstractTableModel; import javax.swing.table.TableCellRenderer; import javax.swing.tree.DefaultMutableTreeNode; import com.car.client.controller.DocsTreeTransferHanlder; import com.car.cs.pojodata.VEachDir; import com.car.cs.pojodata.VEachFile; import com.car.rmi.client.DocsMgtRmi; public class InnerDocsMgt extends JFrame { /** * */ private static final long serialVersionUID = 1L; private JPanel contentPane; private JTable table; private JTree tree; private JLabel currentDirLabel; private JLabel totalFilesNumLabel; private List<VEachFile> docFils; private final int maxFilesAPage = 50; private JLabel curPageLabel; private int curPageNum = 0; /** * Launch the application. */ public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { InnerDocsMgt frame = new InnerDocsMgt(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } /** * Create the frame. */ public InnerDocsMgt() { setTitle("\u5185\u90E8\u8D44\u6599\u7BA1\u7406"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 450, 300); this.setSize(800, 600); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); contentPane.setLayout(new BorderLayout(0, 0)); setContentPane(contentPane); JPanel panel = new JPanel(); contentPane.add(panel, BorderLayout.WEST); GridBagLayout gbl_panel = new GridBagLayout(); gbl_panel.columnWidths = new int[] { 54, 0, 0, 0, 0, 0, 0, 0 }; gbl_panel.rowHeights = new int[] { 31, 0, 0 }; gbl_panel.columnWeights = new double[] { 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, Double.MIN_VALUE }; gbl_panel.rowWeights = new double[] { 0.0, 1.0, Double.MIN_VALUE }; panel.setLayout(gbl_panel); JLabel lblNewLabel = new JLabel( "\u5185\u90E8\u8D44\u6599\u76EE\u5F55\u5217\u8868"); GridBagConstraints gbc_lblNewLabel = new GridBagConstraints(); gbc_lblNewLabel.gridwidth = 5; gbc_lblNewLabel.insets = new Insets(0, 0, 5, 5); gbc_lblNewLabel.gridx = 0; gbc_lblNewLabel.gridy = 0; panel.add(lblNewLabel, gbc_lblNewLabel); JButton button_4 = new JButton("\u4FDD\u5B58\u76EE\u5F55\u64CD\u4F5C"); GridBagConstraints gbc_button_4 = new GridBagConstraints(); gbc_button_4.insets = new Insets(0, 0, 5, 5); gbc_button_4.gridx = 5; gbc_button_4.gridy = 0; panel.add(button_4, gbc_button_4); JScrollPane scrollPane = new JScrollPane(); GridBagConstraints gbc_scrollPane = new GridBagConstraints(); gbc_scrollPane.gridwidth = 7; gbc_scrollPane.fill = GridBagConstraints.BOTH; gbc_scrollPane.gridx = 0; gbc_scrollPane.gridy = 1; panel.add(scrollPane, gbc_scrollPane); DefaultMutableTreeNode top = new DefaultMutableTreeNode("/"); createNodes(top); tree = new JTree(top); scrollPane.setViewportView(tree); tree.setEditable(true); tree.setDragEnabled(true); this.setPopupMenu(); try { tree.setTransferHandler(new DocsTreeTransferHanlder()); } catch (ClassNotFoundException e) { e.printStackTrace(); } JPanel panel_1 = new JPanel(); contentPane.add(panel_1, BorderLayout.CENTER); GridBagLayout gbl_panel_1 = new GridBagLayout(); gbl_panel_1.columnWidths = new int[] { 708, 0 }; gbl_panel_1.rowHeights = new int[] { 556, 0 }; gbl_panel_1.columnWeights = new double[] { 1.0, Double.MIN_VALUE }; gbl_panel_1.rowWeights = new double[] { 1.0, Double.MIN_VALUE }; panel_1.setLayout(gbl_panel_1); JTabbedPane tabbedPane = new JTabbedPane(JTabbedPane.TOP); GridBagConstraints gbc_tabbedPane = new GridBagConstraints(); gbc_tabbedPane.fill = GridBagConstraints.BOTH; gbc_tabbedPane.gridx = 0; gbc_tabbedPane.gridy = 0; panel_1.add(tabbedPane, gbc_tabbedPane); JPanel panel_2 = new JPanel(); tabbedPane.addTab("\u6587\u4EF6\u4E0E\u76EE\u5F55\u7BA1\u7406", null, panel_2, null); GridBagLayout gbl_panel_2 = new GridBagLayout(); gbl_panel_2.columnWidths = new int[] { 166, 59, 0, 0, 0, 0, 0 }; gbl_panel_2.rowHeights = new int[] { 30, 0, 49, 0, 0, 0 }; gbl_panel_2.columnWeights = new double[] { 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, Double.MIN_VALUE }; gbl_panel_2.rowWeights = new double[] { 0.0, 0.0, 1.0, 0.0, 0.0, Double.MIN_VALUE }; panel_2.setLayout(gbl_panel_2); currentDirLabel = new JLabel( "\u5F53\u524D\u76EE\u5F55\uFF1Aone->two->three"); GridBagConstraints gbc_lblonetwothree = new GridBagConstraints(); gbc_lblonetwothree.gridwidth = 6; gbc_lblonetwothree.anchor = GridBagConstraints.WEST; gbc_lblonetwothree.insets = new Insets(0, 0, 5, 0); gbc_lblonetwothree.gridx = 0; gbc_lblonetwothree.gridy = 0; panel_2.add(currentDirLabel, gbc_lblonetwothree); JButton button_3 = new JButton("\u5168\u9009/\u5168\u4E0D\u9009"); GridBagConstraints gbc_button_3 = new GridBagConstraints(); gbc_button_3.insets = new Insets(0, 0, 5, 5); gbc_button_3.gridx = 3; gbc_button_3.gridy = 1; panel_2.add(button_3, gbc_button_3); JButton button = new JButton("\u5220\u9664"); GridBagConstraints gbc_button = new GridBagConstraints(); gbc_button.insets = new Insets(0, 0, 5, 5); gbc_button.gridx = 4; gbc_button.gridy = 1; panel_2.add(button, gbc_button); JButton button_1 = new JButton("\u79FB\u52A8\u5230"); button_1.setToolTipText("\u8BF7\u5148\u9009\u62E9\u8981\u79FB\u52A8\u7684\u6587\u4EF6\uFF0C\u7136\u540E\u518D\u9009\u62E9\u4E00\u4E2A\u5DE6\u4FA7\u76EE\u5F55"); GridBagConstraints gbc_button_1 = new GridBagConstraints(); gbc_button_1.insets = new Insets(0, 0, 5, 0); gbc_button_1.gridx = 5; gbc_button_1.gridy = 1; panel_2.add(button_1, gbc_button_1); JScrollPane scrollPane_1 = new JScrollPane(); GridBagConstraints gbc_scrollPane_1 = new GridBagConstraints(); gbc_scrollPane_1.gridwidth = 6; gbc_scrollPane_1.insets = new Insets(0, 0, 5, 0); gbc_scrollPane_1.fill = GridBagConstraints.BOTH; gbc_scrollPane_1.gridx = 0; gbc_scrollPane_1.gridy = 2; panel_2.add(scrollPane_1, gbc_scrollPane_1); String[] headNames = new String[] { "\u9009\u62E9", "\u6587\u4EF6\u540D", "\u5927\u5C0F\uFF08KB\uFF09", "\u6587\u4EF6\u65E5\u671F", "\u4F5C\u8005", "", "\u4E0B\u8F7D" }; Object[][] tableDatas = new Object[][] { { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, { null, null, null, null, null, null, null }, }; table = new JTable(new DocsTableModel(headNames, tableDatas)); table.getColumnModel().getColumn(0) .setCellEditor(table.getDefaultEditor(Boolean.class)); table.getColumnModel().getColumn(0) .setCellRenderer(table.getDefaultRenderer(Boolean.class)); table.getColumnModel().getColumn(0).setPreferredWidth(38); table.getColumnModel().getColumn(1).setPreferredWidth(206); table.getColumnModel().getColumn(2).setPreferredWidth(53); table.getColumnModel().getColumn(3).setPreferredWidth(134); table.getColumnModel().getColumn(4).setPreferredWidth(58); // hide the 5th column, it contans the filepath table.getTableHeader().getColumnModel().getColumn(5).setMaxWidth(0);// hide table.getTableHeader().getColumnModel().getColumn(5).setMinWidth(0);// hide table.getTableHeader().getColumnModel().getColumn(5) .setPreferredWidth(0); table.getTableHeader().getColumnModel().getColumn(5).setWidth(0); table.getColumnModel().getColumn(6) .setCellRenderer(new ButtonCellRenderer()); table.getColumnModel().getColumn(6) .setCellEditor(new ButtonCellEditor(table)); scrollPane_1.setViewportView(table); totalFilesNumLabel = new JLabel("\u6587\u4EF6\u603B\u6570\uFF1A0"); GridBagConstraints gbc_totalFilesNumLabel = new GridBagConstraints(); gbc_totalFilesNumLabel.anchor = GridBagConstraints.WEST; gbc_totalFilesNumLabel.insets = new Insets(0, 0, 0, 5); gbc_totalFilesNumLabel.gridx = 0; gbc_totalFilesNumLabel.gridy = 4; panel_2.add(totalFilesNumLabel, gbc_totalFilesNumLabel); curPageLabel = new JLabel( "\u5F53\u524D\u9875\u6570\uFF1A0| \u603B\u9875\u6570\uFF1A0"); GridBagConstraints gbc_curPageLabel = new GridBagConstraints(); gbc_curPageLabel.gridwidth = 2; gbc_curPageLabel.insets = new Insets(0, 0, 0, 5); gbc_curPageLabel.gridx = 2; gbc_curPageLabel.gridy = 4; panel_2.add(curPageLabel, gbc_curPageLabel); JButton btnNewButton = new JButton("\u4E0A\u4E00\u9875"); btnNewButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { prePage(); } }); GridBagConstraints gbc_btnNewButton = new GridBagConstraints(); gbc_btnNewButton.insets = new Insets(0, 0, 0, 5); gbc_btnNewButton.gridx = 4; gbc_btnNewButton.gridy = 4; panel_2.add(btnNewButton, gbc_btnNewButton); JButton button_2 = new JButton("\u4E0B\u4E00\u9875"); button_2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { nextPage(); } }); GridBagConstraints gbc_button_2 = new GridBagConstraints(); gbc_button_2.gridx = 5; gbc_button_2.gridy = 4; panel_2.add(button_2, gbc_button_2); JPanel panel_3 = new JPanel(); tabbedPane.addTab("\u7F16\u8F91\u6587\u6863", null, panel_3, null); GridBagLayout gbl_panel_3 = new GridBagLayout(); gbl_panel_3.columnWidths = new int[] { 0 }; gbl_panel_3.rowHeights = new int[] { 0 }; gbl_panel_3.columnWeights = new double[] { Double.MIN_VALUE }; gbl_panel_3.rowWeights = new double[] { Double.MIN_VALUE }; panel_3.setLayout(gbl_panel_3); } private void createNodes(DefaultMutableTreeNode top) { List<DefaultMutableTreeNode> nodes = DocsMgtRmi.getINS() .getFirstLevelDirs(); for (DefaultMutableTreeNode one : nodes) { top.add(one); } } public void setPopupMenu() { final JPopupMenu pop = new JPopupMenu(); pop.add(new AbstractAction("添加子目录") { private static final long serialVersionUID = 1L; public void actionPerformed(ActionEvent e) { System.out.println("Tree Add"); } }); pop.add(new AbstractAction("删除目录") { private static final long serialVersionUID = 1L; public void actionPerformed(ActionEvent e) { System.out.println("Delete"); } }); tree.addMouseListener(new MouseAdapter() { @Override public void mouseReleased(MouseEvent e) { if (e.isMetaDown()) { pop.show(tree, e.getX(), e.getY()); } } public void mouseClicked(MouseEvent evt) { if (evt.getClickCount() == 1) { VEachDir eDir = (VEachDir) getSelectedNode() .getUserObject(); docFils = DocsMgtRmi.getINS().getFilesViaDirid( eDir.getDirId()); int filesNum = docFils.size(); currentDirLabel .setText("\u5F53\u524D\u76EE\u5F55\uFF1Aone->two->three,=>DirID:" + eDir.getDirId()); totalFilesNumLabel.setText("\u6587\u4EF6\u603B\u6570\uFF1A" + filesNum); int maxNum = Math.min(maxFilesAPage, filesNum); if (filesNum <= maxFilesAPage) { curPageLabel .setText("\u5F53\u524D\u9875\u6570\uFF1A 1 | \u603B\u9875\u6570\uFF1A 1"); } else { int totalNum = filesNum / maxFilesAPage; if (totalNum * maxFilesAPage < filesNum) { totalNum++; } curPageLabel .setText("\u5F53\u524D\u9875\u6570\uFF1A 1 | \u603B\u9875\u6570\uFF1A " + totalNum); } curPageNum = 0; setDocTableValues(docFils.subList(0, maxNum)); } } }); } public void prePage() { if (this.curPageNum <= 0) { return; } int filesNum = docFils.size(); curPageNum--; int totalPage = filesNum / maxFilesAPage; if (totalPage * maxFilesAPage < filesNum) { totalPage++; } curPageLabel .setText("\u5F53\u524D\u9875\u6570\uFF1A " + (curPageNum + 1) + " | \u603B\u9875\u6570\uFF1A " + totalPage); setDocTableValues(docFils.subList(curPageNum * maxFilesAPage, Math.min((curPageNum + 1) * maxFilesAPage, filesNum))); } public void nextPage() { int filesNum = docFils.size(); int totalPage = filesNum / maxFilesAPage; if (totalPage * maxFilesAPage < filesNum) { totalPage++; } if (curPageNum >= totalPage - 1) { return; } curPageNum++; setDocTableValues(docFils.subList(curPageNum * maxFilesAPage, Math.min((curPageNum + 1) * maxFilesAPage, filesNum))); curPageLabel .setText("\u5F53\u524D\u9875\u6570\uFF1A " + (curPageNum + 1) + " | \u603B\u9875\u6570\uFF1A " + totalPage); } public void setDocTableValues(List<VEachFile> subDocs) { int i = 0; for (; i < subDocs.size(); i++) { table.getModel().setValueAt(false, i, 0); table.getModel().setValueAt(subDocs.get(i).getFileName(), i, 1); table.getModel().setValueAt(subDocs.get(i).getFileSize(), i, 2); table.getModel().setValueAt( subDocs.get(i).getFileDate().toLocaleString(), i, 3); table.getModel().setValueAt(subDocs.get(i).getFileAuthor(), i, 4); table.getModel().setValueAt(subDocs.get(i).getFilePath(), i, 5); } if (subDocs.size() < maxFilesAPage) { for (; i < maxFilesAPage; i++) { table.getModel().setValueAt(false, i, 0); table.getModel().setValueAt(null, i, 1); table.getModel().setValueAt(null, i, 2); table.getModel().setValueAt(null, i, 3); table.getModel().setValueAt(null, i, 4); table.getModel().setValueAt(null, i, 5); } } table.updateUI(); table.repaint(); } public DefaultMutableTreeNode getSelectedNode() { return (DefaultMutableTreeNode) tree.getLastSelectedPathComponent(); } class DocsTableModel extends AbstractTableModel { private String headName[]; private Object obj[][]; private Class[] columnTypes = new Class[] { Boolean.class, Object.class, Object.class, Object.class, Object.class, Object.class, Object.class }; public DocsTableModel() { super(); } public DocsTableModel(String[] headName, Object[][] obj) { this(); this.headName = headName; this.obj = obj; } public int getColumnCount() { return headName.length; } public int getRowCount() { return obj.length; } public Object getValueAt(int r, int c) { return obj[r][c]; } public String getColumnName(int c) { return headName[c]; } public Class<?> getColumnClass(int columnIndex) { return columnTypes[columnIndex].getClass(); } @Override public boolean isCellEditable(int rowIndex, int columnIndex) { return true; } public void setValueAt(Object value, int row, int col) { obj[row][col] = value; fireTableCellUpdated(row, col); } } } class ButtonCellEditor extends DefaultCellEditor { private static final long serialVersionUID = -6546334664166791132L; private JButton button; private JTable table; public ButtonCellEditor(JTable table) { super(new JTextField()); this.setClickCountToStart(1); this.initButton(); this.table = table; } private void initButton() { this.button = new JButton(); this.button.setSize(50, 15); this.button.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { ButtonCellEditor.this.fireEditingCanceled(); System.out.println("Selected Column:" + table.getSelectedColumn() + ",row:" + table.getSelectedRow() + ",and filePath:" + table.getModel() .getValueAt(table.getSelectedRow(), 5)); } }); } @Override public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) { this.button.setText("下载"); return this.button; } @Override public Object getCellEditorValue() { return this.button.getText(); } } class ButtonCellRenderer implements TableCellRenderer { private JButton button; public ButtonCellRenderer() { this.button = new JButton(); } public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { this.button.setText("下载"); return this.button; } }其中里面用到的制造数据的DocsMgtRmi类package test; import java.net.MalformedURLException; import java.util.ArrayList; import java.util.Date; import java.util.List; import javax.swing.tree.DefaultMutableTreeNode; import org.apache.log4j.Logger; import com.car.cs.apis.RemindDao; import com.car.cs.pojodata.VEachDir; import com.car.cs.pojodata.VEachFile; import com.car.rmi.server.RmiUtil; public class DocsMgtRmi { private final Logger logger = Logger.getLogger(DocsMgtRmi.class); private RemindDao dao = null; private static DocsMgtRmi rmi = null; public static DocsMgtRmi getINS() { if (rmi == null) { synchronized (DocsMgtRmi.class) { if (rmi == null) { rmi = new DocsMgtRmi(); } } } return rmi; } private DocsMgtRmi() { } public List<DefaultMutableTreeNode> getFirstLevelDirs() { ArrayList<DefaultMutableTreeNode> nodes = new ArrayList<DefaultMutableTreeNode>(); DefaultMutableTreeNode fstnode = null; for (int i = 0; i < 10; i++) { VEachDir fstLevelDir = new VEachDir(i, "200" + i + "年以前规章", 0); fstnode = new DefaultMutableTreeNode(fstLevelDir); nodes.add(fstnode); } for (int i = 0; i < 10; i++) { VEachDir secLevelDir = new VEachDir(i, "2009年投诉建议-卷" + i, 9); DefaultMutableTreeNode secNode = new DefaultMutableTreeNode( secLevelDir); fstnode.add(secNode); } return nodes; } public List<VEachFile> getFilesViaDirid(int dirId) { ArrayList<VEachFile> files = new ArrayList<VEachFile>(); for (int i = 0; i < 97; i++) { VEachFile one = new VEachFile(dirId, "天上星，亮晶晶，那是" + i + "双双眼睛.txt", 1000, new Date(), "张为山", "one->two-" + i + "-<>"); files.add(one); } return files; } public boolean saveDirChanged(List<VEachDir> dirs) { return true; } } 来自：http://blog.csdn.net/luoshenfu001?viewmode=contents